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Intangible Assets, Net - Summary of Intangible Assets (Details) ¥ in Thousands, $ in Thousands | Dec. 31, 2019 CNY (¥) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 CNY (¥)
--- | --- | --- | ---
Finite Lived Intangible Assets [Line Items] |  |  |
Less: Accumulated amortization | ¥ (3,361) |  | ¥ (2,388)
Intangible assets, net | 1,176 | $ 169 | 1,369
Computer Software |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |
Intangible assets, gross | 3,757 |  | ¥ 3,757
License |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |
Intangible assets, gross | ¥ 780 |  |

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